Many thanks to everyone who posted an answer, I should have mentioned that it's a rented property, an engineer has been once however I wasn't here so I don't know what he did.
It seems the "book of excuses" has been opened though: Apparently the boiler has had problems in the past. The...
Hi this is my first post, hopefully the question isn't too obvious?
I moved into a house in December and after about 3 weeks the boiler developed a fault.
It is as Worcester 28Si II, once it has been on for a couple of hours and the radiators are hot, the boiler shuts off and the fault...